<template>
  <view>
    <!-- 搜索组件 -->
    <view class="search-box">
      <my-search @click="gotoSearch"></my-search>
    </view>
    <!-- 轮播图 区域-->
    <swiper :indicator-dots="true" :autoplay="true" :interval="3000" :duration="1000" circular="true">
      <swiper-item v-for="(item,i) in swiperList" :key="i">
        <navigator :url="`/subpkg/goods_detail/goods_detail?goods_id=${item.goods_id}`" class="swiper-item">
            <image :src="item.image_src"></image>
        </navigator>
      </swiper-item>
    </swiper>
    <!-- 分类导航 区域-->
    <view class="nav-list">
      <view class="nav-item" v-for="(item,i) in navList" :key="i" @click="navClickHandler(item)">
        <image :src="item.image_src" class="nav-img"></image>
      </view>
    </view>
     <!-- 楼层 区域-->
     <view class="floor-list">
       <!-- 楼层标题 区域-->
       <view class="floor-item" v-for="(item,i) in floorList" :key="i">
         <image :src="item.floor_title.image_src" class="floor-title"></image>
        <!-- 楼层图片 区域-->
        <view class="floor-img-box">
          <!-- 左侧大图-->
          <navigator :url="item.product_list[0].url" class="left-img-box">
            <image :src="item.product_list[0].image_src" 
            :style="{width:item.product_list[0].image_width+'rpx'}" mode="widthFix">
            </image>
          </navigator>
          <!-- 右侧小图-->
          <view class="right-img-box">
            <navigator :url="item2.url" class="right-img-item" 
            v-for="(item2,i2) in item.product_list.slice(1)" :key="i2">
              <image :src="item2.image_src" mode="widthFix" 
              :style="{width: item2.image_width+'rpx'}"></image>
            </navigator>
          </view>
        </view>
       </view>
     </view>
  </view>
</template>

<script>
  // 导入自己封装的 mixin 模块
  import badgeMix from '@/mixins/tabbar-badge.js'
  export default {
    data() {
      return {
        // 轮播图数据列表
        swiperList:[],
        // 分类导航的数据列表
        navList:[],
        // 楼层的数据
        floorList:[]
      };
    },
    mixins:[badgeMix],
    onLoad(){
      // 获取 轮播图数据
      this.getSwiperList()
      this.getNavList()
      this.getFloorList()
    },
    methods:{
     async getSwiperList(){
      const  {data:res} = await uni.$http.get('/api/public/v1/home/swiperdata')
      // 请求失败
      if(res.meta.status !==200)  return uni.$showMsg()
       this.swiperList = res.message
      
      },
     async getNavList() {
      const {data:res} = await uni.$http.get('/api/public/v1/home/catitems')
      if(res.meta.status !==200)  return uni.$showMsg()
      this.navList = res.message
      },
      navClickHandler(item){
        if(item.name === '分类'){
          uni.switchTab({
            url:'/pages/cate/cate'
          })
        }
      },
      // 获取首页楼层数据的回调
      async getFloorList(){
      const {data:res} = await  uni.$http.get('/api/public/v1/home/floordata')
      if(res.meta.status !==200)  return uni.$showMsg()
      
      // 对数据进行处理
      res.message.forEach((floor)=>{
        floor.product_list.forEach((prod)=>{
          prod.url = '/subpkg/goods_list/goods_list?'+prod.navigator_url.split('?')[1]
        })
      })
      this.floorList = res.message
      },
      gotoSearch(){
        uni.navigateTo({
          url:'/subpkg/search/search'
        })
      }
    }
  }
</script>

<style lang="scss">
swiper{
  height: 330rpx;
  .swiper-item,
  image{
    width: 100%;
    height: 100%;
  }
}
.nav-list{
  display: flex;
  justify-content: space-around;
  margin: 15px 0;
  .nav-img{
    width: 128rpx;
    height: 140rpx;
  }
}
.floor-title{
  width: 100%;
  height: 60rpx;
}
.right-img-box{
  display: flex;
  flex-wrap: wrap;
  justify-content: space-around;
}
.floor-img-box{
  display: flex;
  padding-left: 10rpx;
}
.search-box{
  position: sticky;
  top: 0;
  z-index: 999;
}
</style>
